package handler

import (
	"encoding/json"
	"media-hub/cache"
	"media-hub/modler"
	"media-hub/pkg"
	"strconv"
	"time"

	"github.com/gin-gonic/gin"
)

func Add(c *gin.Context) {
	username := c.PostForm("username")
	Password := c.PostForm("password")
	if username == "" || Password == "" {
		c.JSON(200, gin.H{
			"mas":  "不能为空",
			"code": 500,
		})
		return
	}

	redis_list_ley := "list_add"
	errCount, _ := cache.Rdb.Get(cache.Ctx, redis_list_ley).Int()
	if errCount >= 3 {
		c.JSON(200, gin.H{
			"mas":  "密码错误3次",
			"code": 500,
		})
		return
	}

	var user modler.User
	err := modler.DB.Where("username=?", username).Find(&user).Error
	if err != nil {
		c.JSON(200, gin.H{
			"mas":  "查询失败",
			"code": 500,
		})
		return
	}

	if user.ID == 0 {
		c.JSON(200, gin.H{
			"mas":  "用户不存在",
			"code": 500,
		})
		return
	}

	if user.Password != pkg.MD5(Password) {
		cache.Rdb.Incr(cache.Ctx, redis_list_ley)
		if errCount == 2 {
			cache.Rdb.Set(cache.Ctx, redis_list_ley, 3, time.Hour*2)
			c.JSON(200, gin.H{
				"mas":  "密码错误3次,封禁2小时",
				"code": 500,
			})
			return
		}
		c.JSON(200, gin.H{
			"mas":  "密码错误",
			"code": 500,
		})
		return
	}

	c.JSON(200, gin.H{
		"mas":  "密码成功",
		"code": 200,
	})
	return
}

func Del(c *gin.Context) {
	id := c.PostForm("id")
	var user modler.User
	modler.DB.Where("id=?", id).Delete(&user)
	c.JSON(200, gin.H{
		"mas":  "删除成功",
		"code": 200,
	})
	return
}

func List(c *gin.Context) {
	page, _ := strconv.Atoi(c.Query("page"))
	size, _ := strconv.Atoi(c.Query("size"))
	offset := (page - 1) * size

	var user []modler.User

	redis_list_ley := "list_err" + strconv.Itoa(page)
	result, _ := cache.Rdb.Get(cache.Ctx, redis_list_ley).Result()
	if result == "" {
		modler.DB.Offset(offset).Limit(size).Find(&user)
		jsonData, _ := json.Marshal(user)
		cache.Rdb.Set(cache.Ctx, redis_list_ley, jsonData, time.Hour*2)
	} else {
		json.Unmarshal([]byte(result), &user)
	}

	var total int64

	modler.DB.Model(&modler.User{}).Count(&total)
	c.JSON(200, gin.H{
		"mas":   "成功",
		"code":  200,
		"data":  user,
		"total": total,
	})
	return

}

func Detail(c *gin.Context) {
	id := c.Query("id")
	var user modler.User

	redis_list_ley := "list_err_id" + id
	result, _ := cache.Rdb.Get(cache.Ctx, redis_list_ley).Result()
	if result == "" {
		modler.DB.Where("id=?", id).First(&user)
		jsonData, _ := json.Marshal(user)
		cache.Rdb.Set(cache.Ctx, redis_list_ley, jsonData, time.Hour*2)
	} else {
		json.Unmarshal([]byte(result), &user)
	}

	c.JSON(200, gin.H{
		"mas":  "搜索成功",
		"code": 200,
		"data": user,
	})
}
